diplodocus.org Git - xorg-xinput/blob - src/xinput.c

   1 /*
   2  * Copyright 1996 by Frederic Lepied, France. <Frederic.Lepied@sugix.frmug.org>
   3  *
   4  * Permission to use, copy, modify, distribute, and sell this software and its
   5  * documentation for any purpose is  hereby granted without fee, provided that
   6  * the  above copyright   notice appear  in   all  copies and  that both  that
   7  * copyright  notice   and   this  permission   notice  appear  in  supporting
   8  * documentation, and that   the  name of  the authors  not  be  used  in
   9  * advertising or publicity pertaining to distribution of the software without
  10  * specific,  written      prior  permission.     The authors  make  no
  11  * representations about the suitability of this software for any purpose.  It
  12  * is provided "as is" without express or implied warranty.
  13  *
  14  * THE AUTHORS DISCLAIM ALL   WARRANTIES WITH REGARD  TO  THIS SOFTWARE,
  15  * INCLUDING ALL IMPLIED   WARRANTIES OF MERCHANTABILITY  AND   FITNESS, IN NO
  16  * EVENT  SHALL THE AUTHORS  BE   LIABLE   FOR ANY  SPECIAL, INDIRECT   OR
  17  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
  18  * DATA  OR PROFITS, WHETHER  IN  AN ACTION OF  CONTRACT,  NEGLIGENCE OR OTHER
  19  * TORTIOUS  ACTION, ARISING    OUT OF OR   IN  CONNECTION  WITH THE USE    OR
  20  * PERFORMANCE OF THIS SOFTWARE.
  21  *
  22  */
  23
  24 #include "xinput.h"
  25 #include <ctype.h>
  26 #include <string.h>
  27
  28 typedef int (*prog)(
  29 #if NeedFunctionPrototypes
  30                     Display* display, int argc, char *argv[],
  31                     char *prog_name, char *prog_desc
  32 #endif
  33 );
  34
  35 typedef struct
  36 {
  37     char        *func_name;
  38     char        *arg_desc;
  39     prog        func;
  40 } entry;
  41
  42 static entry drivers[] =
  43 {
  44     {"get-feedbacks",
  45      "<device name>",
  46      get_feedbacks
  47     },
  48     {"set-ptr-feedback",
  49      "<device name> <threshold> <num> <denom>",
  50      set_ptr_feedback
  51     },
  52     {"set-integer-feedback",
  53      "<device name> <feedback id> <value>",
  54      set_integer_feedback
  55     },
  56     {"set-button-map",
  57      "<device name> <map button 1> [<map button 2> [...]]",
  58      set_button_map
  59     },
  60     {"set-pointer",
  61      "<device name> [<x index> <y index>]",
  62      set_pointer
  63     },
  64     {"set-mode",
  65      "<device name> ABSOLUTE|RELATIVE",
  66      set_mode
  67     },
  68     {"list",
  69      "[--loop || --short || <device name>...]",
  70      list
  71     },
  72     {"query-state",
  73      "<device name>",
  74      query_state
  75     },
  76     {"test",
  77      "[-proximity] <device name>",
  78      test
  79     },
  80     {"version",
  81      "",
  82      version
  83     },
  84 #if HAVE_XI2
  85     { "create-master",
  86       "<id> [sendCore (dflt:1)] [enable (dflt:1)]",
  87       create_master
  88     },
  89     { "remove-master",
  90       "<id> [returnMode (dflt:Floating)] [returnPointer] [returnKeyboard]",
  91       remove_master
  92     },
  93     { "reattach",
  94       "<id> <master>",
  95       change_attachment
  96     },
  97     { "float",
  98       "<id>",
  99       float_device
 100     },
 101     { "set-cp",
 102       "<window> <device>",
 103       set_clientpointer
 104     },
 105     { "list-props",
 106       "<device> [<device> ...]",
 107       list_props
 108     },
 109     { "set-int-prop",
 110       "<device> <property> <format (8, 16, 32)> <val> [<val> ...]",
 111       set_int_prop
 112     },
 113     { "watch-props",
 114       "<device>",
 115       watch_props
 116     },
 117 #endif
 118     {0, 0, 0
 119     }
 120 };
 121
 122 static Bool
 123 is_xinput_present(Display       *display)
 124 {
 125     XExtensionVersion   *version;
 126     Bool                present;
 127
 128 #if HAVE_XI2
 129     version = XQueryInputVersion(display, XI_2_Major, XI_2_Minor);
 130 #else
 131     version = XGetExtensionVersion(display, INAME);
 132 #endif
 133
 134     if (version && (version != (XExtensionVersion*) NoSuchExtension)) {
 135         present = version->present;
 136         XFree(version);
 137         return present;
 138     } else {
 139         return False;
 140     }
 141 }
 142
 143 XDeviceInfo*
 144 find_device_info(Display        *display,
 145                  char           *name,
 146                  Bool           only_extended)
 147 {
 148     XDeviceInfo *devices;
 149     XDeviceInfo *found = NULL;
 150     int         loop;
 151     int         num_devices;
 152     int         len = strlen(name);
 153     Bool        is_id = True;
 154     XID         id;
 155
 156     for(loop=0; loop<len; loop++) {
 157         if (!isdigit(name[loop])) {
 158             is_id = False;
 159             break;
 160         }
 161     }
 162
 163     if (is_id) {
 164         id = atoi(name);
 165     }
 166
 167     devices = XListInputDevices(display, &num_devices);
 168
 169     for(loop=0; loop<num_devices; loop++) {
 170         if ((!only_extended || (devices[loop].use >= IsXExtensionDevice)) &&
 171             ((!is_id && strcmp(devices[loop].name, name) == 0) ||
 172              (is_id && devices[loop].id == id))) {
 173             if (found) {
 174                 fprintf(stderr,
 175                         "Warning: There are multiple devices named \"%s\".\n"
 176                         "To ensure the correct one is selected, please use "
 177                         "the device ID instead.\n\n", name);
 178             } else {
 179                 found = &devices[loop];
 180             }
 181         }
 182     }
 183     return found;
 184 }
 185
 186 static void
 187 usage(void)
 188 {
 189     entry       *pdriver = drivers;
 190
 191     fprintf(stderr, "usage :\n");
 192
 193     while(pdriver->func_name) {
 194         fprintf(stderr, "\txinput %s %s\n", pdriver->func_name,
 195                 pdriver->arg_desc);
 196         pdriver++;
 197     }
 198 }
 199
 200 int
 201 main(int argc, char * argv[])
 202 {
 203     Display     *display;
 204     entry       *driver = drivers;
 205     char        *func;
 206
 207     if (argc < 2) {
 208         usage();
 209         return EXIT_FAILURE;
 210     }
 211
 212     display = XOpenDisplay(NULL);
 213
 214     if (display == NULL) {
 215         fprintf(stderr, "Unable to connect to X server\n");
 216         return EXIT_FAILURE;
 217     }
 218
 219     func = argv[1];
 220     while((*func) == '-') func++;
 221
 222     if (!is_xinput_present(display)) {
 223         fprintf(stderr, "%s extension not available\n", INAME);
 224         return EXIT_FAILURE;
 225     }
 226
 227     while(driver->func_name) {
 228         if (strcmp(driver->func_name, func) == 0) {
 229             int r = (*driver->func)(display, argc-2, argv+2,
 230                                     driver->func_name, driver->arg_desc);
 231             XFlush(display);
 232             return r;
 233         }
 234         driver++;
 235     }
 236
 237     usage();
 238
 239     return EXIT_FAILURE;
 240 }
 241
 242 /* end of xinput.c */